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test_content_versioning.py
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test_content_versioning.py
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# Copyright (C) 2017 OpenIO SAS, as part of OpenIO SDS
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 3.0 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library.
from oio.api.object_storage import ObjectStorageApi
from tests.utils import BaseTestCase, random_str
class TestContentVersioning(BaseTestCase):
def setUp(self):
super(TestContentVersioning, self).setUp()
self.api = ObjectStorageApi(self.conf['namespace'])
self.container = random_str(8)
system = {'sys.m2.policy.version': '3'}
self.api.container_create(self.account, self.container, system=system)
def test_versioning_enabled(self):
props = self.api.container_get_properties(
self.account, self.container)
self.assertEqual('3', props['system']['sys.m2.policy.version'])
def test_list_versions(self):
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content0")
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content1")
listing = self.api.object_list(self.account, self.container,
versions=True)
objects = listing['objects']
self.assertEqual(2, len(objects))
self.assertNotEqual(objects[0]['version'], objects[1]['version'])
def test_container_purge(self):
# many contents
for i in range(0, 4):
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content")
listing = self.api.object_list(self.account, self.container,
versions=True)
objects = listing['objects']
self.assertEqual(4, len(objects))
oldest_version = min(objects, key=lambda x: x['version'])
# use the maxvers of the container configuration
self.api.container_purge(self.account, self.container)
listing = self.api.object_list(self.account, self.container,
versions=True)
objects = listing['objects']
self.assertEqual(3, len(objects))
self.assertNotIn(oldest_version, [x['version'] for x in objects])
oldest_version = min(objects, key=lambda x: x['version'])
# use the maxvers of the request
self.api.container_purge(self.account, self.container, maxvers=1)
listing = self.api.object_list(self.account, self.container,
versions=True)
objects = listing['objects']
self.assertEqual(1, len(objects))
self.assertNotIn(oldest_version, [x['version'] for x in objects])
def test_content_purge(self):
# many contents
for i in range(0, 4):
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content")
listing = self.api.object_list(self.account, self.container,
versions=True)
objects = listing['objects']
self.assertEqual(4, len(objects))
oldest_version = min(objects, key=lambda x: x['version'])
# use the maxvers of the container configuration
self.api.container.content_purge(self.account, self.container,
"versioned")
listing = self.api.object_list(self.account, self.container,
versions=True)
objects = listing['objects']
self.assertEqual(3, len(objects))
self.assertNotIn(oldest_version, [x['version'] for x in objects])
oldest_version = min(objects, key=lambda x: x['version'])
# use the maxvers of the request
self.api.container.content_purge(self.account, self.container,
"versioned", maxvers=1)
listing = self.api.object_list(self.account, self.container,
versions=True)
objects = listing['objects']
self.assertEqual(1, len(objects))
self.assertNotIn(oldest_version, [x['version'] for x in objects])
# other contents
for i in range(0, 4):
self.api.object_create(self.account, self.container,
obj_name="versioned2",
data="content"+str(i))
listing = self.api.object_list(self.account, self.container,
versions=True)
objects = listing['objects']
self.assertEqual(5, len(objects))
# use the maxvers of the container configuration
self.api.container.content_purge(self.account, self.container,
"versioned")
listing = self.api.object_list(self.account, self.container,
versions=True)
objects = listing['objects']
self.assertEqual(5, len(objects))
def test_delete_exceeding_version(self):
def check_num_objects_and_get_oldest_version(
expected_objects, expected_deleted_aliases, oldest_version):
listing = self.api.object_list(self.account, self.container,
versions=True)
objects = listing['objects']
nb_objects = 0
nb_deleted = 0
new_oldest_version = 0
for obj in objects:
if obj['deleted']:
nb_deleted += 1
else:
nb_objects += 1
if new_oldest_version == 0 \
or new_oldest_version > obj['version']:
new_oldest_version = obj['version']
self.assertEqual(expected_objects, nb_objects)
self.assertEqual(expected_deleted_aliases, nb_deleted)
if oldest_version is not None:
self.assertLess(oldest_version,
new_oldest_version)
return new_oldest_version
system = {'sys.m2.policy.version.delete_exceeding': '1'}
self.api.container_set_properties(self.account, self.container,
system=system)
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content0")
oldest_version = check_num_objects_and_get_oldest_version(
1, 0, None)
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content1")
self.assertEqual(oldest_version,
check_num_objects_and_get_oldest_version(2, 0, None))
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content2")
self.assertEqual(oldest_version,
check_num_objects_and_get_oldest_version(3, 0, None))
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content3")
oldest_version = check_num_objects_and_get_oldest_version(
3, 0, oldest_version)
self.api.object_delete(self.account, self.container, "versioned")
self.assertEqual(oldest_version,
check_num_objects_and_get_oldest_version(3, 1, None))
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content4")
oldest_version = check_num_objects_and_get_oldest_version(
3, 1, oldest_version)
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content5")
oldest_version = check_num_objects_and_get_oldest_version(
3, 1, oldest_version)
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content6")
# FIXME(adu) The deleted alias should be deleted at the same time
oldest_version = check_num_objects_and_get_oldest_version(
3, 1, oldest_version)
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content7")
oldest_version = check_num_objects_and_get_oldest_version(
3, 1, oldest_version)
def test_change_flag_delete_exceeding_versions(self):
def check_num_objects(expected):
listing = self.api.object_list(self.account, self.container,
versions=True)
objects = listing['objects']
self.assertEqual(expected, len(objects))
for i in range(5):
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content"+str(i))
check_num_objects(5)
system = {'sys.m2.policy.version.delete_exceeding': '1'}
self.api.container_set_properties(self.account, self.container,
system=system)
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content5")
check_num_objects(3)
for i in range(6, 10):
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content"+str(i))
check_num_objects(3)
system['sys.m2.policy.version.delete_exceeding'] = '0'
self.api.container_set_properties(self.account, self.container,
system=system)
self.api.object_create(self.account, self.container,
obj_name="versioned", data="content11")
check_num_objects(4)